Rapid physics JEE Notes | EduRev

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JEE : Rapid physics JEE Notes | EduRev

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Copyright © 2014 MTG Learning Media (P) Ltd. No part of this publication may be reproduced, 
transmitted, in any form or by any means, electronic, mechanical, photocopying, recording or 
otherwise, without the prior permission of the Publisher. Ownership of an ebook does not give 
the possessor the ebook copyright. 
All disputes subject to Delhi jurisdiction only.
Disclaimer : The information in this book is to give you the path to success but it does not guarantee 
100% success as the strategy is completely dependent on its execution. 
Published by :  MTG Learning Media (P) Ltd.
Corporate Office : Plot 99, 2nd Floor, Sector 44 Institutional Area, Gurgaon, Haryana. 
Phone : 0124 - 4219385, 4219386
Web: mtg.in    Email: info@mtg.in
Head Office : 406, Taj Apt., Ring Road, Near Safdarjung Hospital, New Delhi-110029
Visit www.mtg.in for buying books online.
OTHER RECOMMENDED BOOKS
Science IQ
Challenge
Psychology of
Success
rapid
MATHEMATICS
rapid
PHYSICS
rapid
CHEMISTRY
rapid
BIOLOGY
Science of 
Achievement
Master Mental
Ability in 30 Days
Page 3


Copyright © 2014 MTG Learning Media (P) Ltd. No part of this publication may be reproduced, 
transmitted, in any form or by any means, electronic, mechanical, photocopying, recording or 
otherwise, without the prior permission of the Publisher. Ownership of an ebook does not give 
the possessor the ebook copyright. 
All disputes subject to Delhi jurisdiction only.
Disclaimer : The information in this book is to give you the path to success but it does not guarantee 
100% success as the strategy is completely dependent on its execution. 
Published by :  MTG Learning Media (P) Ltd.
Corporate Office : Plot 99, 2nd Floor, Sector 44 Institutional Area, Gurgaon, Haryana. 
Phone : 0124 - 4219385, 4219386
Web: mtg.in    Email: info@mtg.in
Head Office : 406, Taj Apt., Ring Road, Near Safdarjung Hospital, New Delhi-110029
Visit www.mtg.in for buying books online.
OTHER RECOMMENDED BOOKS
Science IQ
Challenge
Psychology of
Success
rapid
MATHEMATICS
rapid
PHYSICS
rapid
CHEMISTRY
rapid
BIOLOGY
Science of 
Achievement
Master Mental
Ability in 30 Days
“Good things come in small packages.” 
 Rapid Physics (High Yield Facts Book) is designed for people who have only enough 
time to glance at a book-literally. Our goal is to create an effective memory aid for 
those who wish to review physics. 
 The book covers complete syllabus in points form. The quality of the writing leaves the 
reader with the potential to achieve a good understanding of a given topic within a 
short period of learning. It gives a concise overview of the main theories and concepts 
of physics, for students studying physics and related courses at undergraduate level. 
Based on the highly successful and student friendly “at a glance” approach, the material 
developed in this book has been chosen to help the students grasp the essence of  
physics, ensuring that they can confidently use that knowledge when required.
 The books has been crafted extremely well for a very specific purpose: review. A person 
who has been away from physics (but who understood it very well at the time) can 
use this book effectively for a rapid review of any basic topic. The book is so highly 
compressed that every page is like a food with a rich sauce that needs to be slowly 
savored and slowly digested for maximum benefit. You may only glance into the book, 
but you can think about the physics for much longer. 
 All the best!
  Impetus by : Prof. S.P. Arya 
        & Geeta Mahajan
Page 4


Copyright © 2014 MTG Learning Media (P) Ltd. No part of this publication may be reproduced, 
transmitted, in any form or by any means, electronic, mechanical, photocopying, recording or 
otherwise, without the prior permission of the Publisher. Ownership of an ebook does not give 
the possessor the ebook copyright. 
All disputes subject to Delhi jurisdiction only.
Disclaimer : The information in this book is to give you the path to success but it does not guarantee 
100% success as the strategy is completely dependent on its execution. 
Published by :  MTG Learning Media (P) Ltd.
Corporate Office : Plot 99, 2nd Floor, Sector 44 Institutional Area, Gurgaon, Haryana. 
Phone : 0124 - 4219385, 4219386
Web: mtg.in    Email: info@mtg.in
Head Office : 406, Taj Apt., Ring Road, Near Safdarjung Hospital, New Delhi-110029
Visit www.mtg.in for buying books online.
OTHER RECOMMENDED BOOKS
Science IQ
Challenge
Psychology of
Success
rapid
MATHEMATICS
rapid
PHYSICS
rapid
CHEMISTRY
rapid
BIOLOGY
Science of 
Achievement
Master Mental
Ability in 30 Days
“Good things come in small packages.” 
 Rapid Physics (High Yield Facts Book) is designed for people who have only enough 
time to glance at a book-literally. Our goal is to create an effective memory aid for 
those who wish to review physics. 
 The book covers complete syllabus in points form. The quality of the writing leaves the 
reader with the potential to achieve a good understanding of a given topic within a 
short period of learning. It gives a concise overview of the main theories and concepts 
of physics, for students studying physics and related courses at undergraduate level. 
Based on the highly successful and student friendly “at a glance” approach, the material 
developed in this book has been chosen to help the students grasp the essence of  
physics, ensuring that they can confidently use that knowledge when required.
 The books has been crafted extremely well for a very specific purpose: review. A person 
who has been away from physics (but who understood it very well at the time) can 
use this book effectively for a rapid review of any basic topic. The book is so highly 
compressed that every page is like a food with a rich sauce that needs to be slowly 
savored and slowly digested for maximum benefit. You may only glance into the book, 
but you can think about the physics for much longer. 
 All the best!
  Impetus by : Prof. S.P. Arya 
        & Geeta Mahajan
4   rapid physics  
   Page No.
1. Units and Measurement ............................................................................................. 1
2. Kinematics and Vectors .............................................................................................. 14
3. Laws of Motion ......................................................................................................... 29
4. Work, Power and Energy............................................................................................ 38
5. Rotational Motion ..................................................................................................... 44
6. Gravitation ................................................................................................................ 50
7. Properties of Matter .................................................................................................. 55
8. Oscillations ................................................................................................................ 73
9. Waves ........................................................................................................................ 80
10. Heat and Thermodynamics ......................................................................................... 96
11. Electrostatics ............................................................................................................ 115
12. Current Electricity ..................................................................................................... 126
13. Thermal and Chemical Effects of Current .................................................................. 136
14. Magnetic Effect of Current ....................................................................................... 142
15. Magnetism ................................................................................................................ 149
16. Electromagnetic Induction and A.C. .......................................................................... 161
17. Electromagnetic Waves ............................................................................................. 175
18. Ray Optics ................................................................................................................ 179
19. Wave Optics .............................................................................................................. 189
20. Modern Physics ......................................................................................................... 199
21. Solids and Semiconductor Devices ............................................................................ 211
22. Principles of Communication .................................................................................... 221
23. Practical Physics ....................................................................................................... 225
Page 5


Copyright © 2014 MTG Learning Media (P) Ltd. No part of this publication may be reproduced, 
transmitted, in any form or by any means, electronic, mechanical, photocopying, recording or 
otherwise, without the prior permission of the Publisher. Ownership of an ebook does not give 
the possessor the ebook copyright. 
All disputes subject to Delhi jurisdiction only.
Disclaimer : The information in this book is to give you the path to success but it does not guarantee 
100% success as the strategy is completely dependent on its execution. 
Published by :  MTG Learning Media (P) Ltd.
Corporate Office : Plot 99, 2nd Floor, Sector 44 Institutional Area, Gurgaon, Haryana. 
Phone : 0124 - 4219385, 4219386
Web: mtg.in    Email: info@mtg.in
Head Office : 406, Taj Apt., Ring Road, Near Safdarjung Hospital, New Delhi-110029
Visit www.mtg.in for buying books online.
OTHER RECOMMENDED BOOKS
Science IQ
Challenge
Psychology of
Success
rapid
MATHEMATICS
rapid
PHYSICS
rapid
CHEMISTRY
rapid
BIOLOGY
Science of 
Achievement
Master Mental
Ability in 30 Days
“Good things come in small packages.” 
 Rapid Physics (High Yield Facts Book) is designed for people who have only enough 
time to glance at a book-literally. Our goal is to create an effective memory aid for 
those who wish to review physics. 
 The book covers complete syllabus in points form. The quality of the writing leaves the 
reader with the potential to achieve a good understanding of a given topic within a 
short period of learning. It gives a concise overview of the main theories and concepts 
of physics, for students studying physics and related courses at undergraduate level. 
Based on the highly successful and student friendly “at a glance” approach, the material 
developed in this book has been chosen to help the students grasp the essence of  
physics, ensuring that they can confidently use that knowledge when required.
 The books has been crafted extremely well for a very specific purpose: review. A person 
who has been away from physics (but who understood it very well at the time) can 
use this book effectively for a rapid review of any basic topic. The book is so highly 
compressed that every page is like a food with a rich sauce that needs to be slowly 
savored and slowly digested for maximum benefit. You may only glance into the book, 
but you can think about the physics for much longer. 
 All the best!
  Impetus by : Prof. S.P. Arya 
        & Geeta Mahajan
4   rapid physics  
   Page No.
1. Units and Measurement ............................................................................................. 1
2. Kinematics and Vectors .............................................................................................. 14
3. Laws of Motion ......................................................................................................... 29
4. Work, Power and Energy............................................................................................ 38
5. Rotational Motion ..................................................................................................... 44
6. Gravitation ................................................................................................................ 50
7. Properties of Matter .................................................................................................. 55
8. Oscillations ................................................................................................................ 73
9. Waves ........................................................................................................................ 80
10. Heat and Thermodynamics ......................................................................................... 96
11. Electrostatics ............................................................................................................ 115
12. Current Electricity ..................................................................................................... 126
13. Thermal and Chemical Effects of Current .................................................................. 136
14. Magnetic Effect of Current ....................................................................................... 142
15. Magnetism ................................................................................................................ 149
16. Electromagnetic Induction and A.C. .......................................................................... 161
17. Electromagnetic Waves ............................................................................................. 175
18. Ray Optics ................................................................................................................ 179
19. Wave Optics .............................................................................................................. 189
20. Modern Physics ......................................................................................................... 199
21. Solids and Semiconductor Devices ............................................................................ 211
22. Principles of Communication .................................................................................... 221
23. Practical Physics ....................................................................................................... 225
units and measurements  1 
units and measurement 
1 
C H A P T E R 
l  Units and dimensional formulae of some important physical quantities 
S.  Physical quantity  Dimensional  C.G.S.  M.K.S. 
No.  formula  units  units 
1.  Area  [M 
0 
L 
2 
T 
0 
]  cm 
2 
m 
2 
2.  Volume  [M 
0 
L 
3 
T 
0 
]  cm 
3 
m 
3 
3.  Density = mass/volume  [ML 
–3 
T 
0 
]  g cm 
–3 
kg m 
–3 
4.  Speed or velocity = 
dx 
dt 
[M 
0 
L T 
–1 
]  cm s 
–1 
m s 
–1 
5.  Acceleration = 
dv 
dt 
[M 
0 
L T 
–2 
]  cm s 
–2 
m s 
–2 
6.  Force = mdv/dt = ma  [ML T 
–2 
]  g cm s 
–2 
kg m s 
–2 
or dyne  or N 
7.  Linear Momentum (p = mv)  [ML T 
–1 
]  g cm s 
–1 
kg m s 
–1 
or dyne s  or Ns 
8.  Impulse = F · Dt  [ML T 
–1 
]  g cm s 
–1 
kg m s 
–1 
or dyne s  or Ns 
9.  Power = work/time  [ML 
2 
T 
–3 
]  erg s 
–1 
J sec 
–1 
or g cm 
2 
s 
–3 
or watt 
or kg m 
2 
s 
–3 
10.  Work or Energy  [ML 
2 
T 
–2 
]  dyne cm  Nm or J 
= force × displacement  or erg  or kg m 
2 
s 
–2 
or g cm 
2 
s 
–2 
11.  Pressure or Stress  [ML 
–1 
T 
–2 
]  dyne cm 
–2 
N m 
–2 
= force/area  or g cm 
–1 
s 
–2 
or kg m 
–1 
s 
–2 
12.  Strain = 
or 
l V 
l V 
? ? 
[M 
0 
L 
0 
T 
0 
]  No unit  No unit 
13.  Specific gravity or Relative  [M 
0 
L 
0 
T 
0 
]  No unit  No unit 
density of body 
density 
density of water 
=
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